What to do if there is sparking inside the microwave

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shapanwwuom
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Joined: Thu Jan 02, 2025 8:26 am

What to do if there is sparking inside the microwave

Post by shapanwwuom »

The simplest and most effective method of checking is still a multimeter test. This action is performed quite simply. One of the probes is connected to the body, and the other is connected to the terminals at the output. There should be no low resistance on a working filter.

After this, the magnetron is turned over and inspected from all sides. Particular attention is paid to the condition of the cooling radiators and permanent magnets. Everything should be in good condition, without chips or scratches. After this, attention should be switched to the antenna cap, which should be in good condition and have no chips or cracks. If the cap is defective, you can try to clamp it with pliers and turn it slightly.After removing it from the attachment site, it is thrown away, and a working one is installed in the same place.

Any sparks in an electrical circuit represent a current of a certain force action flowing in the air. Given this fact, it should be understood that such an effect can be given by equipment in its proper condition. A similar mexico telegram data phenomenon can be observed if you place metal dishes inside the chamber, which conduct electric current perfectly.

The phenomenon of induction inherent in all microwave ovens leads to the fact that the radiation of the magnetron inevitably causes arc discharges on the body itself. The arc is quite acceptable to use in welding work, but in the microwave body it is a serious danger. Food should be heated or cooked only in dishes without metal inclusions.

What structural faults can cause sparking?
Dirty Waveguide
First of all, always check the mica plate located in the waveguide window.Its burnout can worsen the conductivity of the current. And such a situation arises as a result of splashing heated food, which can leave fat and burnt spots on the plate. In the case of the appearance of a tiny hole, these accumulations of fat and moisture penetrate into the waveguide. In this case, burnouts are formed again, which eventually reach the antenna cap of the magnetron and damage it.
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